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1. (of a chromosome during meiosis) not paired with its homologue
2. Chem another word for monovalent
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a single, unpaired chromosome seen during the first division of meiosis. Normally, when gametes mature, homologous chromosomes with identical sets of genes pair during the prophase stage of meiosis and form bivalents. If pairing does not occur or if the bivalents diverge prematurely, univalents are formed.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Srivastava, "Some sufficient conditions for univalence of certain families of integral operators involving generalized Bessel functions," Taiwanese Journal of Mathematics, vol.
[21] worked in this direction and determined the radius of univalence and full starlikeness of functions f = h + [bar.g] whose coefficients satisfy the conditions (10) and (12).
Andreu Mas-Collel has also given two propositions in the direction of weakening the strong assumptions on the univalence condition of the Gale-Nikaido theorem.
Cytological effects at 40[degrees]C and the mechanism of heat-induced univalence. Chromosoma 13: 437-463.
Guney, On the univalence criterion of a general integral operator, J.
Cytological effects at 40 [degrees] C and the mechanism of beat-induced univalence. Chromosoma 13: 437-463.
These ranges are used to define a probabilistic version of the bivalence and univalence conditions used in the well-known Fischer-Lynch-Paterson (FLP) impossibility proof for deterministic consensus [Fischer et al.
In last few years, many mathematicians have set the univalence criteria of several those integral operators which preserve the class S.
Acharya, Univalence criteria for analytic functions and applications to hypergeometric functions, Ph.D diss., University of WUrzburg, 1997.
The univalence and their properties of the integral operators are reported in [26-30].
Kiryakova, Criteria for univalence of the Dziok-Srivastava and the Srivastava-Wright operators in the class A, Appl.